Tool accessory hub



FIG. 1 is a perspective view of the tool accessory hub;

FIG. 2 is a top plan view of the tool accessory hub of FIG. 1;

FIG. 3 is an end view of the tool accessory hub of FIG. 1; and,

FIG. 4 is a side elevation view of the tool accessory hub of FIG. 1, the opposite side elevational view being identical thereto.

The broken lines shown illustrate portions of the tool accessory hub that form no part of claimed design. 

CLAIM We claim, the ornamental design for the tool accessory hub, as shown and described. 